Description: Design countdown clock countdown: When program runs, decreasing from 59 seconds to achieve the countdown. The experiment used the 8253A, 8259A, digital tubes, etc., to understand the combination of these chips after the hardware design and software programming methods
- [8259] - 8259A interrupt a SP experiment each but
- [8251] - Send data using the 8251 experiment for
File list (Check if you may need any files):
clockR.txt
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